Premotor cortex is associated with ___________, whereas the supplementary motor area is associated with ___________. a. Firing during a movement; firing after a movement b. Firing shortly before a movement; firing long before a movement c. Firing after a movement; firing during a movement
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Premotor cortex is associated with ___________, whereas the supplementary motor area is associated with ___________.
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a. |
Firing during a movement; firing after a movement |
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b. |
Firing shortly before a movement; firing long before a movement |
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c. |
Firing after a movement; firing during a movement |
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- Fill in the blankes The somatic motor neurons innervating the __________________ of the lower limbs are located in the _________________ of the spinal cord. A. smooth muscles; lumbar region B. skeletal muscles; cervical region C. skeletal muscles; lumbar region D. skin; cervical regionPremotor cortex is associated with ___________, whereas the supplementary motor area is associated with ___________. a. Preparing well-learned complex sequence of motor responses; preparing motor responses in accordance to external conditions b. Preparing motor responses in accordance to external conditions; preparing well-learned complex sequence of motor responses c. Firing during a movement; firing after a movement d. Firing shortly before a movement; firing long before a movement e. Firing after a movement; firing during a movementWhat regions of the brain are stimulated when the person is extending his/her hand for a handshake? a. visual cortex b. somatonsensory association area c. primary motor cortex d. supplementary motor cortex e. premotor area f. none of the above
- If a pedestrian runs in front of your car and your eyes dart to the left to avoid hitting him, what region of the brain is critical for separating the movement of the pedestrian from the movement of your eyes? A. inferotemporal cortex B. lateral geniculate nucleus (LGN) C. pulvinar nucleus of the thalamus D. fusiform face areaSpastic paralysis may occur when there is damage to a.the lower motor neurons. b.the upper motor neurons. c.either the lower or the upper motor neurons. d.Spastic paralysis would not result from either of these types of damage.All of the following are true regarding the descending motor tracts EXCEPT which one? A. They originate in either the cerebral cortex or brainstem. B. The pathways are generally made of a two-neuron system. C. The upper motor neuron fibers target lower motor neurons of the spinal cord or cranial nerves. D. They are involved in assisting with voluntary movement.
- The primary motor cortex is located in which cerebral structure? a. precentral gyrus b. postcentral gyrus c. motor speech area d. prefrontal cortexWhen do the posterior parietal cortex, premotor cortex, and supplementary motor cortex become most active? a. During the second or two in preparation for a movement b. During the movement itself c. During the second or two after a movementWhich of these are not part of an indirect motor pathway? a. rubrospinal tracts b. tectospinal tracts C. corticobulbar tracts d. reticulospinal tracts
- A structure or cell that collects sensory information is aa. motor neuron.b. receptor.c. neurolemmocyte.d. ganglion.The subdivision of the brain that does not initiate somatic motor movements, but rather coordinates and fine-tunes those movements, is the a. medulla oblongata. b. cerebrum. c. cerebellum. d. diencephalon.Which of these areas of the cerebral cortex is involved in providingthe motivation and foresight to plan and initiate movements?a. primary motor cortex d. premotor areab. primary somatosensory cortex e. basal nucleic. prefrontal area